Which of the following is not an example of a property of an object? a. gasoline is flammable. b. a textbook is heavy. c. a flower is pretty. d. a car is red.

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

How does food concentration affect yeast activity

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